Did the CIA test LSD on unsuspecting Americans?

A bad LSD trip can drive a person to suicide. So what would have inspired the CIA to use American citizens as guinea pigs for its drug research?

The story begins in 1951. In 1951, the Central Intelligence Agency (CIA) received word from a military envoy that the Swiss drug company Sandoz Pharmaceuticals had 100 million doses of LSD, available to anyone who cared to purchase them. This “anyone” included the Russians. Read the full story here.